FAIRMol

Z16078173

Pose ID 476 Compound 342 Pose 476

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T01
Human DHFR Human
Ligand Z16078173
PDB5SD8

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry high Native strong SASA done
Strain ΔE
20.1 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.76, Jaccard 0.67, H-bond role recall 0.20
Burial
93%
Hydrophobic fit
75%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.008 kcal/mol/HA) ✓ Good fit quality (FQ -9.17) ✓ Good H-bonds (4 bonds) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ High strain energy (20.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-25.213
kcal/mol
LE
-1.008
kcal/mol/HA
Fit Quality
-9.17
FQ (Leeson)
HAC
25
heavy atoms
MW
355
Da
LogP
3.50
cLogP
Strain ΔE
20.1 kcal/mol
SASA buried
93%
Lipo contact
75% BSA apolar/total
SASA unbound
593 Ų
Apolar buried
410 Ų

Interaction summary

HB 4 HY 24 PI 1 CLASH 2
Final rank2.050Score-25.213
Inter norm-1.030Intra norm0.022
Top1000noExcludedno
Contacts19H-bonds4
Artifact reasongeometry warning; 10 clashes; 1 protein clash; moderate strain Δ 20.1
Residues
ALA10 ASN65 GLN36 GLU31 GLY117 ILE61 ILE8 LEU23 LEU28 LEU68 NAP201 PHE32 PHE35 PRO27 THR57 TRP25 TYR122 VAL116 VAL9

Protein summary

200 residues
Protein targetT01Atoms3128
Residues200Chains2
Residue summaryLYS:374; LEU:361; GLU:240; VAL:224; ARG:192; PHE:180; ILE:171; PRO:168; ASN:140; SER:132; TYR:126; GLN:119; ASP:108; MET:102; THR:98; GLY:91

Receptor context

1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1 Excluded HETATM 0
Kept cofactors / ions
A:NAP201

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5SD8Contacts21
PoseOpen native poseHB0
IFP residues
ALA10 ASN65 ASP22 GLN36 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR137 THR57 TYR122 VAL116 VAL9
Current overlap16Native recall0.76
Jaccard0.67RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue2HB residue recall0.40

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
476 2.050050250302212 -1.0301 -25.2132 4 19 16 0.76 0.20 - no Current
411 3.169978853998471 -1.03671 -23.4005 4 18 0 0.00 0.00 - no Open

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -25.213kcal/mol
Ligand efficiency (LE) -1.0085kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.168
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 355.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.50
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.13kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 40.70kcal/mol
Minimised FF energy 20.57kcal/mol

SASA & burial

✓ computed
SASA (unbound) 593.0Ų
Total solvent-accessible surface area of free ligand
BSA total 548.8Ų
Buried surface area upon binding
BSA apolar 410.3Ų
Hydrophobic contacts buried
BSA polar 138.5Ų
Polar contacts buried
Fraction buried 92.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1500.3Ų
SASA_nonpolar(complex) − SASA_nonpolar(receptor) − SASA_nonpolar(ligand free). Negative = non-polar surface buried upon binding. Requires full polarity-decomposed SASA computation.
Receptor non-polar SASA 1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 628.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)